private WebGLProgram InitProgram(WebGLContext gl, string vsSource, string fsSource)
{
var vertexShader = this.LoadShader(gl, ShaderType.VERTEX_SHADER, vsSource);
var fragmentShader = this.LoadShader(gl, ShaderType.FRAGMENT_SHADER, fsSource);
var program = gl.CreateProgram();
gl.AttachShader(program, vertexShader);
gl.AttachShader(program, fragmentShader);
gl.LinkProgram(program);
gl.DeleteShader(vertexShader);
gl.DeleteShader(fragmentShader);
if (!gl.GetProgramParameter <bool>(program, ProgramParameter.LINK_STATUS))
{
string info = gl.GetProgramInfoLog(program);
throw new Exception("An error occured while linking the program: " + info);
}
return(program);
}
private WebGLShader LoadShader(WebGLContext gl, ShaderType type, string source)
{
var shader = gl.CreateShader(type);
gl.ShaderSource(shader, source);
gl.CompileShader(shader);
if (!gl.GetShaderParameter <bool>(shader, ShaderParameter.COMPILE_STATUS))
{
string info = gl.GetShaderInfoLog(shader);
gl.DeleteShader(shader);
throw new Exception("An error occured while compiling the shader: " + info);
}
return(shader);
}